Warm-Forging Characteristics and Microstructural Response of Medium-Carbon High-Strength Steels for High-Duty Components

Abstract:

Paper presents deformation behaviour and microstructural response of selected medium-carbon high-strength steels commonly used for high-duty components deformed under high-strain-rate and warm work temperature range. The investigation of material behaviour is oriented at analysis of hot and warm workability of material and microstructure evolution resultant from deformation mechanisms, strain induced recrystallization and hardening at temperatures of lower forging regime and high strain rate deformation. The effect of these factors on microstructure after forging and subsequent direct-cooling was studied. Metallographic work aided with numerical methods of simulation of the metal flow and microstructure evolution during forging were used to correlate thermo-mechanical parameters observed with microstructure and mechanical properties after forging and cooling.

• Periodical: Key Engineering Materials (Volumes 611-612)
• Pages: 167-172
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.611-612.167
• Online since: May 2014
• Authors: Piotr Skubisz*, Łukasz Lisiecki
• Keywords: 300M, AISI 4130, Mechanical Property, Ultra-High Strength Steel, Warm Forging

References

[1] Y. Tomita: Development of fracture toughtness of ultrahigh strength low alloy steels for aircraft and aerospace applications. Materials Science and Technology, Vol. 7 (1991) 481-488.

DOI: 10.1179/mst.1991.7.6.481

[2] Y. Tomita,T. Okawa: Effect of modified heat treatment on mechanical properties of 300M steel. Materials Science and Technology, Vol. 11 (1995) 245-251.

DOI: 10.1179/mst.1995.11.3.245

[3] R. Zhao, T. Liu, X. Zhao: Effect of Q-P-T Process on the Microstructure and Mechanical Properties of 300M Steel. Materials Science Forum Vol. 749 (2013) 287-293.

DOI: 10.4028/www.scientific.net/msf.749.287

[4] R. Roumina, J.D. Embury, O. Bouaziz, H.S. Zurob: Mechanical behavior of a compositionally graded 300M steel. Materials Science & Engineering A 578 (2013) 140-149.

DOI: 10.1016/j.msea.2013.04.006

[5] Y. Liu, M. Li, X. Dang: Effect of Heating Temperature and Heating Rate on Austenite in the Heating Process of 300M Steel. Materials Science Forum Vol. 749 (2013) 260-267.

DOI: 10.4028/www.scientific.net/msf.749.260

[6] ASM Handbook vol. 4, Heat Treating. ASM International Handbook Committee, Ohio (2002).

[7] Y. Tomita: Low temperature mechanical properties of modified heat treated 300M steel. Materials Science and Technology, Vol. 11 (1995) 335-339.

DOI: 10.1179/mst.1995.11.4.335

[8] T. E. Pistochini, M. R. Hill: Effect of laser peening on fatigue performance in 300M steel. Fatigue Fract of Engng Mat Struct. 34 (2011) 521–533.

DOI: 10.1111/j.1460-2695.2010.01544.x

[9] P. Skubisz, P. Micek, J. Sińczak, M. Tumidajewicz: Automated determination and on-line correction of emissivity coefficient in controlled cooling of drop forgings, Solid State Phenomena, Vol. 177 (2011)  76-83.

DOI: 10.4028/www.scientific.net/ssp.177.76

[10] S. Bednarek, J. Krawczyk, P. Bała, A. Łukaszek-Sołek: Forging of 300M Steel Collar. Proceedings of the 14th international conference on Metal Forming: Sept 16–19, 2012, Krakow, Poland, eds. Jan Kusiak, Janusz Majta, Danuta Szeliga. Steel Research International; spec. ed. ) p.179.

[11] B. Garbarz, T. Bołd: Influence of austenite substructure on structure and properties of low alloy steels quenched directly from hot deformation temperature. Metal Science, Vol. 18 (1984) 357-361.

DOI: 10.1179/030634584790419926